Embeddedness in social networks is increasingly seen as a root cause of human achievement, social stratification, and actor behavior. In this article, we review sociological research that examines the processes through which dyadic ties form, persist, and dissolve. Three sociological mechanisms...

Using instant message communications and trading records of professional traders, we directly measure how investment information propagates in traders’ social networks and how it affects their trading decisions and performance. Traders are more likely to mention stocks with gains over losses,...

Economic sociology is a rapidly expanding field, applying sociology's core insight--that individuals behave according to scripts that are tied to social roles--to economic behavior. It places homo economicus (that tried-and-true fictive actor who is completely rational, acts only out of...